We announce a Membrane Engineer Intern or Master Thesis position at Ilion Water Technologies WaterTech Startup in Paris (France).

Ilion Water Technologies is developing cutting-edge desalination and water treatment technologies rooted in fundamental science. This work combines nanofluidics, electro-driven processes, and advanced membrane engineering to solve the water industry’s urgent operational, cost, and environmental challenges.

Job Description

The Membrane Engineer Intern will be part of the R&D Team playing a key role in advancing a next-gen, electro-driven membrane process built on Ilion Water Technologies proprietary technology. In this internship, the role will involve hands-on lab work, deep collaboration with R&D experts, and exposure to cutting-edge water-tech. More specifically, the role will include the following tasks:

• Membrane preparation and characterization; optimize membrane
• Analyze results and contribute to process improvement and troubleshooting
• Draft experimental protocols, SOPs, data logs, and technical

Candidate Requirements

• BAC+2 to BAC+5 student in materials science, technical chemistry, or organic/polymer chemistry, with active student status for the entire
• Hands-on laboratory experience with strong safety awareness and adherence to good laboratory
• Practical experience in membrane filtration and separation for water treatment is a strong
• English: Professional working proficiency (required).
• Excellent interpersonal skills—teamwork, adaptability, and a proactive learning

Job Offer 

• Full time Internship on site – 6 months
• A stimulating role in a mission-driven startup where your ideas have a real impact
• High-quality lab and working
• Supportive, agile and talented R&D
• Strong growth & learning

Start Date: March/April 2026

How to apply: visit the following website link